Portable desk



FIG. 1 is a rear left perspective view of a portable desk in accordance with an embodiment of the claimed design;

FIG. 2 is a front right perspective view of the design of FIG. 1;

FIG. 3 is a rear elevation view of the design of FIG. 1;

FIG. 4 is a front elevation view of the design of FIG. 1;

FIG. 5 is a right side elevation view of the design of FIG. 1;

FIG. 6 is a left side elevation view of the design of FIG. 1;

FIG. 7 is a top plan view of the design of FIG. 1;

FIG. 8 is a rear left perspective view of a portable desk in accordance with another embodiment of the claimed design;

FIG. 9 is a front right perspective view of the design of FIG. 8;

FIG. 10 is a rear elevation view of the design of FIG. 8;

FIG. 11 is a front elevation view of the design of FIG. 8;

FIG. 12 is a right side elevation view of the design of FIG. 8;

FIG. 13 is a left side elevation view of the design of FIG. 8; and,

FIG. 14 is a top plan view of the design of FIG. 8.

The broken line portion of the figure drawings is included to show portions of the article that form no part of the claimed design.

The article is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a portable desk, as shown and described. 